This drivel to medicalise every last deviation from the 'norm' is nothing more than an excuse for bad parenting or an excuse for being thick.

If you can concentrate, you're somewhere on the autistic spectrum; if you can't, you have ADHD.

If you're orderly, then it's OCD, and if you're disorderly, then you're chaotic and bi-polar.

With better diagnostic tools, we are finding that more and more people have conditions diagnosed in someone's kitchen over a few cans of lager.
No one ever wants to take responsibly for their failings anymore, these excuses aren't anything that would respond to a clinical intervention.